Combining Like Terms with Variables on Both Sides of the Equation

Given: 6x + 3 = 7x - 11 + x, what would the equation look like after you combine like terms?

Mathematical Equivalence

OFF

Solve the equation:
3x - x + 2 = 4(2x - 1)

• infinite solutions

• x = 1

• x = -1

• no solution

Tags

CCSS.8.EE.C.7A

What is a simpler way to write this equation?

• 6h + 2h = 50

• 8h = 50

• 6h - 3 + 2h = 53

• 8h - 3 = 53

Tags

CCSS.8.EE.C.7B

2x - 3 + 4x = 27

• 12

• 4

• 5

• 15

Tags

CCSS.8.EE.C.7B

SOLVE THE EQUATION FOR n:

3 + 4n + n = 2n + 15

(a)  

Solve: 2x - 3 + 4x = 27

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.7B

Solve: 5x - 4 + 2x = 3

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.7B

Solve: 7 + 5r + 3 + 5 = 1 + 7r

Mathematical Equivalence

ON

Solve: 7(1 + 4n) = 7(6 + 3n)

Mathematical Equivalence

ON

Solve: 8x - 6 - 8 = x + 4 + x

Mathematical Equivalence

ON